Drs. Walid Gellad and Courtney Kuza were pleased to represent CP3 at the College on Problems of Drug Dependence (CPDD) Annual Scientific Conference in Portland, OR. Both took part in a mini-symposium, “Machine-Learning Approaches to Overdose Risk Prediction: Implementation Challenges and Lessons Learned,” alongside colleagues Dr. Brandon Marshall and Alexandra Skinner, MPH, of Brown Public Health. Their talk, “Implementing a Machine Learning–Driven Nudge Intervention for Opioid Safety in Primary Care: Lessons from mPROVEN,” shared lessons learned from deploying a machine learning model in the electronic health record.